package Operation;


import BOOK.Book;
import BOOK.BookList;

import java.util.Scanner;

public class DeleteOperation implements IOperation {
    @Override
    public void work(BookList bookList) {
        System.out.println("删除图书");
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入书名");
        String name= scanner.nextLine();
        int currentSize= bookList.getUsedSize();
        int index=-1;
        for (int i = 0; i <currentSize ; i++) {
            Book book1=bookList.getBook(i);
            if(book1.getName().equals(name)){
                index=i;
                break;
            }
        }
        if(index==-1){
            System.out.println("没有这本书");
        }
        for (int i = 0; i <currentSize-1 ; i++) {
            Book book1=bookList.getBook(i+1);
            bookList.setBooks(i,book1);
        }
        bookList.setUsedSize(currentSize-1);

    }
}
